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Using ultra high voltage (UHV) disconnector to switch the fixed series compensation capacitors platform may induce fast transient phenomenon and repetitive breakdown of disconnector, adjacent capacitor voltage transformer (CVT) will suffer from repetitious transient overcurrent. The high amplitude and steepness current may damage adjacent CVT. In order to reduce the transient impulse current amplitude,...
Summary form only given. This paper proposes applying the 2-stage diagonally implicit Runge-Kutta (2S-DIRK) method of numerical integration to the calculation of electromagnetic transients (EMTs) in a power system. The accuracy and the numerical stability of 2S-DIRK are almost the same as those of the trapezoidal method, while 2S-DIRK does not produce sustained numerical oscillation due to a sudden...
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